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Preliminary evaluation of the relationship of bit wear to cutting distance, forces, and dust using selected commercial and experimental coal-and rock-cutting tools / by Matthew N. Plis, Carl F. Wingquist, Wallace W. Roepke

By: Plis, Matthew N.
Contributor(s): Wingquist, Carl F | Roepke, Wallace W | United States. Bureau of Mines.
Material type: materialTypeLabelBookSeries: United States Bureau of Mines. Report of investigations 9193. Publisher: Washington, D.C. ;Pittsburgh, PA : U.S. Dept. of the Interior, Bureau of Mines, [1988]Description: iii, 63 p. : ill. ; 28 cm.Report number: USBM ri-9193Subject(s): Coal-cutting bits -- Testing | Coal mines and mining -- Dust control
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